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Jones County, South Dakota facts for kids

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Jones County
Freier Round Barn
Freier Round Barn
Map of South Dakota highlighting Jones County
Location within the U.S. state of South Dakota
Map of the United States highlighting South Dakota
South Dakota's location within the U.S.
Country  United States
State  South Dakota
Founded 1916 (created)
January 15, 1917 (organized)
Named for George Wallace Jones
Seat Murdo
Largest city Murdo
Area
 • Total 971 sq mi (2,510 km2)
 • Land 970 sq mi (2,500 km2)
 • Water 1.2 sq mi (3 km2)  0.1%
Population
 (2020)
 • Total 917
 • Estimate 
(2021)
879 Decrease
 • Density 0.9444/sq mi (0.3646/km2)
Time zone UTC−6 (Central)
 • Summer (DST) UTC−5 (CDT)
Congressional district At-large

Jones County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 917, making it the least populous county in South Dakota. Its county seat is Murdo. Created in 1916 and organized in 1917, it is the most recently established county in South Dakota.

Geography

According to the U.S. Census Bureau, the county has a total area of 971 square miles (2,510 km2), of which 970 square miles (2,500 km2) is land and 1.2 square miles (3.1 km2) (0.1%) is water.

Major highways

Adjacent counties

National protected area

  • Fort Pierre National Grassland (part)

Demographics

Historical population
Census Pop.
1920 3,004
1930 3,177 5.8%
1940 2,509 −21.0%
1950 2,281 −9.1%
1960 2,066 −9.4%
1970 1,882 −8.9%
1980 1,463 −22.3%
1990 1,324 −9.5%
2000 1,193 −9.9%
2010 1,006 −15.7%
2020 917 −8.8%
2021 (est.) 879 −12.6%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2020

2010 census

As of the 2010 census, there were 1,006 people, 458 households, and 280 families in the county. The population density was 1.0 inhabitant per square mile (0.39/km2). There were 589 housing units at an average density of 0.6 per square mile (0.23/km2). The racial makeup of the county was 95.6% white, 2.0% American Indian, 0.4% Pacific islander, 0.1% black or African American, 0.0% from other races, and 1.9% from two or more races. Those of Hispanic or Latino origin made up 1.3% of the population. In terms of ancestry, 48.8% were German, 15.9% were Irish, 10.2% were Norwegian, 9.0% were Dutch, and 1.9% were American. In terms of ancestry in 2016, 39.1% were of German, 14.3% were of Irish, 13.9% were of Norwegian, 11.4% were of Dutch, 6.4% were of English, 6.2 were of French.

Of the 458 households, 26.6% had children under the age of 18 living with them, 53.7% were married couples living together, 5.2% had a female householder with no husband present, 38.9% were non-families, and 35.8% of all households were made up of individuals. The average household size was 2.20 and the average family size was 2.86. The median age was 46.9 years.

The median income for a household in the county was $49,464 and the median income for a family was $56,589. Males had a median income of $33,021 versus $27,115 for females. The per capita income for the county was $24,630. About 6.6% of families and 9.1% of the population were below the poverty line, including 16.7% of those under age 18 and 8.4% of those age 65 or over.

Communities

City

Town

Census-designated place

Unincorporated community

Townships

The county is divided into thirteen townships:

  • Buffalo
  • Draper
  • Dunkel
  • Grandview
  • Kolls
  • Morga
  • Mullen
  • Mussman
  • Okaton
  • Scovil
  • South Creek
  • Williams Creek
  • Zickrick

Unorganized territories

The county contains four areas of unorganized territory:

  • Central Jones
  • North Jones
  • Rich Valley
  • Westover
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